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Lee M, Farrell RM, Flyckt R.Lee M, et al. Among authors: flyckt r.Fertil Steril. 2021 Apr;115(4):911-912. doi: 10.1016/j.fertnstert.2021.01.031. Epub 2021 Feb 20.Fertil Steril. 2021.PMID: 33618896Free article.No abstract available.